Last night, Kendall and Kylie Jenner, two of the most famous siblings in the world, effectively shut down Manhattan's Meatpacking District with the launch of their latest fashion range.

Are Kendall, 20, and Kylie, 19, overwhelmed by the attention? Maybe. After all, the summons to their soiree commanded, "do not approach the girls with any questions inside the event."

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Then again, maybe not... since they gamely talked to ELLE.com about everything from high school mean girls to Kanye's wild mind.

Here we go...

We saw you at Yeezy today. Any thoughts?

Kylie: "Wow." Is that a thought? [Laughing.]

Kendall: It's very inspiring going to something like that. It's also just amazing, because you're seeing [Kanye's] creative thoughts expressed as looks.

Kylie: It's interesting to me because I feel like he never gets it wrong. I can never doubt anything he does because it's just always cool.

Everyone wants to dress like you, wear your makeup, even have your facial features. Where's the line between using someone as a muse, and being a straight-up copycat?

KENDALL: Ooh. That's an interesting one. Okay. I think it's definitely great to be inspired by someone's style, and we're obviously really honored that so many people want to use our style as a guide. But when we made this line, it wasn't with the mindset of, 'you need to wear these pieces exactly the way we would, head-to-toe.'

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KYLIE: Not at all.

KENDALL: It's more like, we put our name on this collection because we would wear every piece, we do wear every piece, and you can too, any way that feels like you. Now our hardcore fans who are so awesome and dedicated, they can have a whole collection with our names on it, and by wearing it, they put themselves into it, too. It's us and them. And that's really important.

Speaking of hardcore fans, while we're at fashion week, millions of teenage girls are going back to school... and judging from our Snapchat messages, they're obsessed with you.

KYLIE: Aww! That's awesome.

What advice do you have for them as they start high school?

KENDALL: Other girls are mean.

KYLIE: Ohhh...

KENDALL: They are! They can be very mean.

What should a girl do if her classmates are bitches?

KENDALL: She should be a boss and not worry about it. Do your own thing. Because other girls are just jealous. [Kylie laughs.] They are! Of course they are!

You've both been settling into new houses. Any decorating disasters?

KYLIE: Oh for sure. I did a painting with one of my best friends. We did it on the front lawn. The grass turned all different colors. It was cool for a minute, and then it was like, "How do we fix this...?" And there's no easy way. So I would highly recommend putting mats down before you paint. Sometimes you get excited and don't prepare.

How about fashion DIY disasters?

KENDALL: I've tried cutting the necklines on my T-shirts before and that's led to some serious problems. I always cut it too short by accident. Then my boobs are out!

[At this point, a publicist swiftly cuts us off. Goodnight, Kendall and Kylie!]

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